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No. I didn't emailed him. I went to him, with a USB flashdrive, and he couldn't open it. But he could open other pdf files.
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KlausJan 7 '14 at 21:27

Which PDF reader does he use? When he clicks on About, what is its version number?
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K7AAYJan 7 '14 at 21:28

I don't really know, I don't have accces to that computer and he said to me that he couldn't open it
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KlausJan 7 '14 at 21:40